Base | Representation |
---|---|
bin | 10011110001110010011 |
3 | 1012221000002 |
4 | 2132032103 |
5 | 131214313 |
6 | 21520215 |
7 | 5336312 |
oct | 2361623 |
9 | 1187002 |
10 | 648083 |
11 | 402a07 |
12 | 27306b |
13 | 198ca7 |
14 | 12c279 |
15 | cc058 |
hex | 9e393 |
648083 has 4 divisors (see below), whose sum is σ = 661920. Its totient is φ = 634248.
The previous prime is 648079. The next prime is 648097. The reversal of 648083 is 380846.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 648083 - 22 = 648079 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (648073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6848 + ... + 6941.
It is an arithmetic number, because the mean of its divisors is an integer number (165480).
2648083 is an apocalyptic number.
648083 is a deficient number, since it is larger than the sum of its proper divisors (13837).
648083 is a wasteful number, since it uses less digits than its factorization.
648083 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13836.
The product of its (nonzero) digits is 4608, while the sum is 29.
The square root of 648083 is about 805.0360240387. The cubic root of 648083 is about 86.5386687124.
The spelling of 648083 in words is "six hundred forty-eight thousand, eighty-three".
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